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  <font size="+3">&#8592;</font> <a href="https://hosseinmoein.github.io/DataFrame/docs/HTML/DataFrame.html">Back to Documentations</a><BR><BR>
  
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    <tr bgcolor="lightblue">
        <th>Signature</th> <th>Description</th> <th>Parameters</th>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">V <span style="color:#808030; ">&amp;</span></span>
<span class="line_wrapper">visit<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        It passes the values of each index and the named column to the functor visitor sequentially from beginning to end<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
        <B>T</B>: Type of the named column<BR>
        <B>V</B>: Type of the visitor functor<BR>
        <B>name</B>: Name of the data column<BR>
        <B>visitor</B>: An instance of the visitor<BR>
        <B>in_reverse</B>: If true, it will iterate over the column in reverse order
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper"><span style="color:#666616; ">std</span><span style="color:#800080; ">::</span>future<span style="color:#800080; ">&lt;</span>V <span style="color:#808030; ">&amp;</span><span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">visit_async<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        These are identical to above visit() but could execute asynchronously.<BR>
        <B>NOTE:</B> It should be safe to run multiple visits on different columns at the same time (as long as the index column is not being modified).<BR>
        <B>NOTE:</B> It should be safe to run multiple read-only visits on the same column or different columns at the same time<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">V <span style="color:#808030; ">&amp;</span></span>
<span class="line_wrapper">visit<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        It passes the values of each index and the two named columns to the functor visitor sequentially from beginning to end<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
        <B>T1</B>: Type of the first named column<BR>
        <B>T2</B>: Type of the second named column<BR>
        <B>V</B>: Type of the visitor functor<BR>
        <B>name1</B>: Name of the first data column<BR>
        <B>name2</B>: Name of the second data column<BR>
        <B>visitor</B>: An instance of the visitor<BR>
        <B>in_reverse</B>: If true, it will iterate over the columns in reverse order
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper"><span style="color:#666616; ">std</span><span style="color:#800080; ">::</span>future<span style="color:#800080; ">&lt;</span>V <span style="color:#808030; ">&amp;</span><span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">visit_async<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        These are identical to above visit() but could execute asynchronously.<BR>
        <B>NOTE:</B> It should be safe to run multiple visits on different columns at the same time (as long as the index column is not being modified).<BR>
        <B>NOTE:</B> It should be safe to run multiple read-only visits on the same column or different columns at the same time<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">V <span style="color:#808030; ">&amp;</span></span>
<span class="line_wrapper">visit<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        It passes the values of each index and the three named columns to the functor visitor sequentially from beginning to end<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
        <B>T1</B>: Type of the first named column<BR>
        <B>T2</B>: Type of the second named column<BR>
        <B>T3</B>: Type of the third named column<BR>
        <B>V</B>: Type of the visitor functor<BR>
        <B>name1</B>: Name of the first data column<BR>
        <B>name2</B>: Name of the second data column<BR>
        <B>name3</B>: Name of the third data column<BR>
        <B>visitor</B>: An instance of the visitor<BR>
        <B>in_reverse</B>: If true, it will iterate over the columns in reverse order
      </td>
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    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper"><span style="color:#666616; ">std</span><span style="color:#800080; ">::</span>future<span style="color:#800080; ">&lt;</span>V <span style="color:#808030; ">&amp;</span><span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">visit_async<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        These are identical to above visit() but could execute asynchronously.<BR>
        <B>NOTE:</B> It should be safe to run multiple visits on different columns at the same time (as long as the index column is not being modified).<BR>
        <B>NOTE:</B> It should be safe to run multiple read-only visits on the same column or different columns at the same time<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">         <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">V <span style="color:#808030; ">&amp;</span></span>
<span class="line_wrapper">visit<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        It passes the values of each index and the four named columns to the functor visitor sequentially from beginning to end<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
        <B>T1</B>: Type of the first named column<BR>
        <B>T2</B>: Type of the second named column<BR>
        <B>T3</B>: Type of the third named column<BR>
        <B>T4</B>: Type of the fourth named column<BR>
        <B>V</B>: Type of the visitor functor<BR>
        <B>name1</B>: Name of the first data column<BR>
        <B>name2</B>: Name of the second data column<BR>
        <B>name3</B>: Name of the third data column<BR>
        <B>name4</B>: Name of the fourth data column<BR>
        <B>visitor</B>: An instance of the visitor<BR>
        <B>in_reverse</B>: If true, it will iterate over the columns in reverse order
      </td>
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    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">         <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper"><span style="color:#666616; ">std</span><span style="color:#800080; ">::</span>future<span style="color:#800080; ">&lt;</span>V <span style="color:#808030; ">&amp;</span><span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">visit_async<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        These are identical to above visit() but could execute asynchronously.<BR>
        <B>NOTE:</B> It should be safe to run multiple visits on different columns at the same time (as long as the index column is not being modified).<BR>
        <B>NOTE:</B> It should be safe to run multiple read-only visits on the same column or different columns at the same time<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">         <span style="color:#800000; font-weight:bold; ">typename</span> T5<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">V <span style="color:#808030; ">&amp;</span></span>
<span class="line_wrapper">visit<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name5<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">      <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        It passes the values of each index and the five named columns to the functor visitor sequentially from beginning to end<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
        <B>T1</B>: Type of the first named column<BR>
        <B>T2</B>: Type of the second named column<BR>
        <B>T3</B>: Type of the third named column<BR>
        <B>T4</B>: Type of the fourth named column<BR>
        <B>T5</B>: Type of the fifth named column<BR>
        <B>V</B>: Type of the visitor functor<BR>
        <B>name1</B>: Name of the first data column<BR>
        <B>name2</B>: Name of the second data column<BR>
        <B>name3</B>: Name of the third data column<BR>
        <B>name4</B>: Name of the fourth data column<BR>
        <B>name5</B>: Name of the fifth data column<BR>
        <B>visitor</B>: An instance of the visitor<BR>
        <B>in_reverse</B>: If true, it will iterate over the columns in reverse order
      </td>
    </tr>

    <tr bgcolor="Azure">
      <td>
<pre class="code_syntax" style="color:#000000;background:#ffffff00;"><span class="line_wrapper"><span style="color:#800000; font-weight:bold; ">template</span><span style="color:#800080; ">&lt;</span><span style="color:#800000; font-weight:bold; ">typename</span> T1<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T2<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T3<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> T4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">         <span style="color:#800000; font-weight:bold; ">typename</span> T5<span style="color:#808030; ">,</span> <span style="color:#800000; font-weight:bold; ">typename</span> V<span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper"><span style="color:#666616; ">std</span><span style="color:#800080; ">::</span>future<span style="color:#800080; ">&lt;</span>V <span style="color:#808030; ">&amp;</span><span style="color:#800080; ">&gt;</span></span>
<span class="line_wrapper">visit_async<span style="color:#808030; ">(</span><span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name1<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name2<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name3<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name4<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">const</span> <span style="color:#800000; font-weight:bold; ">char</span> <span style="color:#808030; ">*</span>name5<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            V <span style="color:#808030; ">&amp;</span>visitor<span style="color:#808030; ">,</span></span>
<span class="line_wrapper">            <span style="color:#800000; font-weight:bold; ">bool</span> in_reverse <span style="color:#808030; ">=</span> <span style="color:#800000; font-weight:bold; ">false</span><span style="color:#808030; ">)</span><span style="color:#800080; ">;</span></span>
<span class="line_wrapper"></span></pre>
      </td>
      <td>
        These are identical to above visit() but could execute asynchronously.<BR>
        <B>NOTE:</B> It should be safe to run multiple visits on different columns at the same time (as long as the index column is not being modified).<BR>
        <B>NOTE:</B> It should be safe to run multiple read-only visits on the same column or different columns at the same time<BR>
        <B>NOTE:</B> There is also a const version of this method.
      </td>
      <td width="30%">
      </td>
    </tr>

  </table>

  <pre style='color:#000000;background:#ffffff00;'><span style='color:#800000; font-weight:bold; '>static</span> <span style='color:#800000; font-weight:bold; '>void</span> test_VWBAS<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span>  <span style='color:#800080; '>{</span>

    <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span><span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\n</span><span style='color:#0000e6; '>Testing VWBASVisitor{ } ...</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span><span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>

    RandGenParams<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span>   bprice_p<span style='color:#800080; '>;</span>

    bprice_p<span style='color:#808030; '>.</span>mean <span style='color:#808030; '>=</span> <span style='color:#008000; '>1.0</span><span style='color:#800080; '>;</span>
    bprice_p<span style='color:#808030; '>.</span><span style='color:#666616; '>std</span> <span style='color:#808030; '>=</span> <span style='color:#008000; '>0.005</span><span style='color:#800080; '>;</span>
    bprice_p<span style='color:#808030; '>.</span>seed <span style='color:#808030; '>=</span> <span style='color:#008c00; '>10</span><span style='color:#800080; '>;</span>
    bprice_p<span style='color:#808030; '>.</span>min_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>100.0</span><span style='color:#800080; '>;</span>
    bprice_p<span style='color:#808030; '>.</span>max_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>102.0</span><span style='color:#800080; '>;</span>

    RandGenParams<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span>   aprice_p <span style='color:#808030; '>=</span> bprice_p<span style='color:#800080; '>;</span>

    aprice_p<span style='color:#808030; '>.</span>seed <span style='color:#808030; '>=</span> <span style='color:#008c00; '>200</span><span style='color:#800080; '>;</span>
    aprice_p<span style='color:#808030; '>.</span>min_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>102.0</span><span style='color:#800080; '>;</span>
    aprice_p<span style='color:#808030; '>.</span>max_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>104.0</span><span style='color:#800080; '>;</span>

    RandGenParams<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span>   asize_p <span style='color:#808030; '>=</span> bprice_p<span style='color:#800080; '>;</span>

    asize_p<span style='color:#808030; '>.</span><span style='color:#666616; '>std</span> <span style='color:#808030; '>=</span> <span style='color:#008c00; '>1</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>seed <span style='color:#808030; '>=</span> <span style='color:#008c00; '>500</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>min_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>50.0</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>max_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>2000.0</span><span style='color:#800080; '>;</span>

    RandGenParams<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span>   bsize_p <span style='color:#808030; '>=</span> asize_p<span style='color:#800080; '>;</span>

    asize_p<span style='color:#808030; '>.</span><span style='color:#666616; '>std</span> <span style='color:#808030; '>=</span> <span style='color:#008c00; '>1</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>seed <span style='color:#808030; '>=</span> <span style='color:#008c00; '>123456</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>min_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>50.0</span><span style='color:#800080; '>;</span>
    asize_p<span style='color:#808030; '>.</span>max_value <span style='color:#808030; '>=</span> <span style='color:#008000; '>2000.0</span><span style='color:#800080; '>;</span>
    MyDataFrame df<span style='color:#800080; '>;</span>

    df<span style='color:#808030; '>.</span>load_data<span style='color:#808030; '>(</span>
        MyDataFrame<span style='color:#800080; '>::</span>gen_sequence_index<span style='color:#808030; '>(</span><span style='color:#008c00; '>100</span><span style='color:#808030; '>,</span> <span style='color:#008c00; '>1124</span><span style='color:#808030; '>,</span> <span style='color:#008c00; '>1</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span>
        <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span>make_pair<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>bid_price</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> gen_uniform_real_dist<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span><span style='color:#808030; '>(</span><span style='color:#008c00; '>1024</span><span style='color:#808030; '>,</span> bprice_p<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span>
        <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span>make_pair<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>ask_price</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> gen_uniform_real_dist<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span><span style='color:#808030; '>(</span><span style='color:#008c00; '>1024</span><span style='color:#808030; '>,</span> aprice_p<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span>
        <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span>make_pair<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>bid_size</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> gen_uniform_real_dist<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span><span style='color:#808030; '>(</span><span style='color:#008c00; '>1024</span><span style='color:#808030; '>,</span> bsize_p<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span>
        <span style='color:#666616; '>std</span><span style='color:#800080; '>::</span>make_pair<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>ask_size</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> gen_uniform_real_dist<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span><span style='color:#808030; '>(</span><span style='color:#008c00; '>1024</span><span style='color:#808030; '>,</span> asize_p<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    VWBASVisitor<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span>    v1<span style='color:#808030; '>(</span><span style='color:#008c00; '>100</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>const</span> MyDataFrame       const_df <span style='color:#808030; '>=</span> df<span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>auto</span>                    fut <span style='color:#808030; '>=</span>
        const_df<span style='color:#808030; '>.</span>visit_async<span style='color:#800080; '>&lt;</span><span style='color:#800000; font-weight:bold; '>double</span><span style='color:#808030; '>,</span> <span style='color:#800000; font-weight:bold; '>double</span><span style='color:#808030; '>,</span> <span style='color:#800000; font-weight:bold; '>double</span><span style='color:#808030; '>,</span> <span style='color:#800000; font-weight:bold; '>double</span><span style='color:#800080; '>></span><span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>bid_price</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>ask_price</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>bid_size</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>ask_size</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> v1<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>auto</span>                    result <span style='color:#808030; '>=</span> fut<span style='color:#808030; '>.</span>get<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>.</span>get_result<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>.</span>size<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>11</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>event_count <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>100</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>index_value <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>100</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>event_count <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>100</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>cumulative_event_count <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>200</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>index_value <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>200</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>event_count <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>24</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>index_value <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#008c00; '>1100</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.11835</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.0998</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.0001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.15156</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.13298</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>high_bid_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>101.966</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>low_ask_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>102.012</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>cumulative_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.15156</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.92471</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.90509</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.0001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.9199</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.0001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.90052</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>high_bid_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>101.987</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>low_ask_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>102.04</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.01</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>5</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>cumulative_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.07029</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.98223</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_spread <span style='color:#808030; '>-</span> <span style='color:#008000; '>1.96279</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.0001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.05129</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.0001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>percent_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.03336</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>high_bid_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>101.997</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>low_ask_price <span style='color:#808030; '>-</span> <span style='color:#008000; '>102.12</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.01</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    assert<span style='color:#808030; '>(</span><span style='color:#603000; '>fabs</span><span style='color:#808030; '>(</span>result<span style='color:#808030; '>[</span><span style='color:#008c00; '>10</span><span style='color:#808030; '>]</span><span style='color:#808030; '>.</span>cumulative_vwbas <span style='color:#808030; '>-</span> <span style='color:#008000; '>2.02198</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span> <span style='color:#008000; '>0.00001</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>
</pre>
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